Tail gas after-treatment device

Abstract

A tail gas after-treatment device comprises a metal outer shell, a tail gas after-treatment carrier packaged in the metal outer shell and a support assembly installed on the metal outer shell. The support assembly comprises a first support fixed to the metal outer shell in a welded mode, a second support fixed to the metal outer shell in a welded mode, an installation support installed and fixed to the first support and the second support, and a connecting part installed on the installation support. The connecting part comprises a first bolt, a second bolt and a connecting rod, the first bolt and the second bolt are connected into a whole through the connecting rod, and the first bolt and the second bolt penetrate through the installation support so that the tail gas aftertreatment device can be installed on other supports. By means of the arrangement, the tail gas aftertreatment device can be conveniently installed through the connecting component, and installation convenience is improved.

Description

Background Art

[0002] The exhaust gas post-treatment device in the related art generally includes a housing, an exhaust gas post-treatment carrier encapsulated in the housing, and a bracket installed on the housing. The bracket structure in the related art is relatively complex and difficult to install. Utility Model Content

[0003] The utility model aims to provide an exhaust gas post-treatment device which is easy to install.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an exhaust gas after-treatment device, which includes a metal outer shell, an exhaust gas after-treatment carrier encapsulated in the metal outer shell, and a bracket assembly installed on the metal outer shell, wherein the bracket assembly includes a first bracket welded and fixed to the metal outer shell, a second bracket welded and fixed to the metal outer shell, a mounting bracket mounted and fixed on the first bracket and the second bracket, and a connecting component installed on the mounting bracket, the connecting component includes a first bolt, a second bolt and a connecting rod connecting the first bolt and the second bolt into a whole, the first bolt and the second bolt pass through the mounting bracket to install the exhaust gas after-treatment device on other brackets.

[0005] As a further improved technical solution of the utility model, the first bracket includes a first sub-bracket and a second sub-bracket, the first sub-bracket is provided with a first mounting hole, and the second sub-bracket is provided with a second mounting hole;

[0006] The second bracket includes a third sub-bracket and a fourth sub-bracket, the third sub-bracket is provided with a third mounting hole, and the fourth sub-bracket is provided with a fourth mounting hole;

[0007] The mounting bracket comprises a first connecting wall, a second connecting wall opposite to the first connecting wall, and a mounting wall fixed to the first connecting wall and the second connecting wall, wherein the first connecting wall is provided with a first through hole and a second through hole, and the second connecting wall is provided with a third through hole and a fourth through hole;

[0008] wherein the first through hole, the first mounting hole, the third mounting hole and the third through hole are aligned;

[0009] The second through hole, the second mounting hole, the fourth mounting hole and the fourth through hole are aligned;

[0010] The bracket assembly further includes a first fastener passing through the first through hole, the first mounting hole, the third mounting hole, and the third through hole, and a second fastener passing through the second through hole, the second mounting hole, the fourth mounting hole, and the fourth through hole.

[0011] As a further improved technical solution of the utility model, the first sub-bracket and the second sub-bracket are separately arranged and both are welded and fixed to the metal outer shell; and / or

[0012] The third sub-bracket and the fourth sub-bracket are separately arranged and both are welded and fixed on the metal outer shell.

[0013] As a further improved technical solution of the utility model, the first fastener includes a first fastening bolt passing through the first through-hole, the first mounting hole, the third mounting hole and the third through-hole, and a first fastening nut matched with the first fastening bolt;

[0014] The second fastener includes a second fastening bolt passing through the second through hole, the second mounting hole, the fourth mounting hole and the fourth through hole, and a second fastening nut matched with the second fastening bolt.

[0015] As a further improved technical solution of the utility model, the first sub-bracket is provided with a first flange portion for welding and fixing to the metal outer shell, the second sub-bracket is provided with a second flange portion for welding and fixing to the metal outer shell, the third sub-bracket is provided with a third flange portion for welding and fixing to the metal outer shell, and the fourth sub-bracket is provided with a fourth flange portion for welding and fixing to the metal outer shell.

[0016] As a further improved technical solution of the utility model, the mounting bracket is in an inverted U shape, wherein the first connecting wall, the second connecting wall and the mounting wall are integrally formed.

[0017] As a further improved technical solution of the utility model, the connecting rod is located between the mounting wall and the metal outer shell, and the metal outer shell can prevent the connecting rod from falling off from the bracket assembly under the action of gravity.

[0018] As a further improved technical solution of the utility model, the mounting wall is provided with a first waist-shaped hole and a second waist-shaped hole, wherein the first bolt passes through the first waist-shaped hole and can be appropriately adjusted in its position, and the second bolt passes through the second waist-shaped hole and can be appropriately adjusted in its position.

[0019] As a further improved technical solution of the utility model, the first sub-bracket, the second sub-bracket, the third sub-bracket and the fourth sub-bracket are all stainless steel sub-brackets;

[0020] The mounting bracket is a carbon steel bracket.

[0021] As a further improved technical solution of the present invention, the first connecting wall is located on the outside of the first sub-bracket and the second sub-bracket, and the second connecting wall is located on the outside of the third sub-bracket and the fourth sub-bracket.

[0022] Compared with the prior art, the connecting component of the utility model includes a first bolt, a second bolt and a connecting rod connecting the first bolt and the second bolt into a whole, and the first bolt and the second bolt pass through the mounting bracket to install the exhaust gas after-treatment device on other brackets; with such an arrangement, the utility model can conveniently install the exhaust gas after-treatment device using the connecting component, thereby improving the convenience of installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional schematic diagram of an exhaust gas after-treatment device of the utility model in one embodiment.

[0024] Figure 2 yes Figure 1 main view.

[0025] Figure 3 yes Figure 1 Top view of the .

[0026] Figure 4 yes Figure 1 Right view of .

[0027] Figure 5 yes Figure 1 Exploded perspective view of the bracket assembly. DETAILED DESCRIPTION

[0028] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. If there are several specific embodiments, the features of these embodiments can be combined with each other without conflict. When the description involves the drawings, unless otherwise specified, the same numbers or symbols in different drawings represent the same or similar elements. The contents described in the following exemplary embodiments do not represent all embodiments of the present invention. On the contrary, they are only examples of products consistent with the present invention as recorded in the claims of the present invention.

[0029] The terms used in the present invention are only for the purpose of describing specific implementations and are not intended to limit the scope of protection of the present invention. It should be understood that the terms such as "first", "second" and similar terms used in the specification and claims of the present invention do not indicate any order, quantity or importance, but are only used to distinguish the names of features.

[0030] Please refer to Figures 1 to 5As shown, the utility model discloses an exhaust gas after-treatment device 100, which includes a metal outer shell 1, an exhaust gas after-treatment carrier (not shown, such as a diesel oxidation catalyst carrier, a diesel particulate filter carrier or a selective catalytic reducer carrier, etc.) encapsulated in the metal outer shell 1, and a bracket assembly 2 installed on the metal outer shell 1.

[0031] In the illustrated embodiment of the present invention, the metal outer shell 1 is substantially cylindrical.

[0032] The bracket assembly 2 includes a first bracket 21 welded and fixed to the metal outer shell 1, a second bracket 22 welded and fixed to the metal outer shell 1, a mounting bracket 23 mounted and fixed to the first bracket 21 and the second bracket 22, and a connecting component 24 mounted on the mounting bracket 23.

[0033] In the illustrated embodiment of the present utility model, the first bracket 21 includes a first sub-bracket 211 and a second sub-bracket 212, the first sub-bracket 211 is provided with a first mounting hole 2110, and the second sub-bracket 212 is provided with a second mounting hole 2120. In the illustrated embodiment of the present utility model, the first sub-bracket 211 and the second sub-bracket 212 are separately provided, and both are welded and fixed on the metal outer shell 1. Specifically, the first sub-bracket 211 is provided with a first flange portion 2111 for welding and fixing on the metal outer shell 1, and the second sub-bracket 212 is provided with a second flange portion 2121 for welding and fixing on the metal outer shell 1. In the illustrated embodiment of the present utility model, the first flange portion 2111 and the second flange portion 2121 are arc-shaped flange portions to better fit the metal outer shell 1, thereby improving the welding quality.

[0034] Similarly, the second bracket 22 includes a third sub-bracket 221 and a fourth sub-bracket 222, wherein the third sub-bracket 221 is provided with a third mounting hole 2210, and the fourth sub-bracket 222 is provided with a fourth mounting hole 2220. In the illustrated embodiment of the utility model, the third sub-bracket 221 and the fourth sub-bracket 222 are separately provided, and both are welded and fixed to the metal outer shell 1. Specifically, the third sub-bracket 221 is provided with a third flange portion 2211 for welding and fixing to the metal outer shell 1, and the fourth sub-bracket 222 is provided with a fourth flange portion 2221 for welding and fixing to the metal outer shell 1. In the illustrated embodiment of the utility model, the third flange portion 2211 and the fourth flange portion 2221 are arc-shaped flange portions to better fit the metal outer shell 1, thereby improving the welding quality.

[0035] Preferably, the first sub-bracket 211, the second sub-bracket 212, the third sub-bracket 221 and the fourth sub-bracket 222 are all stainless steel sub-brackets. In the illustrated embodiment of the utility model, the first sub-bracket 211 and the fourth sub-bracket 222 are the same part, but the installation angle is different, so as to save costs; the second sub-bracket 212 and the third sub-bracket 221 are the same part, but the installation angle is different, so as to save costs. Of course, in other embodiments, the first sub-bracket 211, the second sub-bracket 212, the third sub-bracket 221 and the fourth sub-bracket 222 can be the same part, but the installation angle is different, so as to save costs to the greatest extent. In addition, the first sub-bracket 211, the second sub-bracket 212, the third sub-bracket 221 and the fourth sub-bracket 222 that are separately arranged can reduce the mutual restraint when each is welded and fixed to the metal outer shell 1, thereby reducing the manufacturing difficulty. In addition, the first mounting hole 2110 , the second mounting hole 2120 , the third mounting hole 2210 , and the fourth mounting hole 2220 are waist-shaped holes so as to adjust the height of the mounting bracket 23 in the vertical direction within a certain range.

[0036] The mounting bracket 23 includes a first connecting wall 231, a second connecting wall 232 opposite to the first connecting wall 231, and a mounting wall 233 fixed to the first connecting wall 231 and the second connecting wall 232, wherein the first connecting wall 231 is provided with a first through hole 2311 and a second through hole 2312, and the second connecting wall 232 is provided with a third through hole 2321 and a fourth through hole 2322. Preferably, the mounting bracket 23 is in an inverted U shape, wherein the first connecting wall 231, the second connecting wall 232 and the mounting wall 233 are integrally formed.

[0037] When the mounting bracket 23 is installed on the first bracket 21 and the second bracket 22 , the first connecting wall 231 is located outside the first sub-bracket 211 and the second sub-bracket 212 , and the second connecting wall 232 is located outside the third sub-bracket 221 and the fourth sub-bracket 222 .

[0038] The first through hole 2311 , the first mounting hole 2110 , the third mounting hole 2210 , and the third through hole 2321 are aligned; the second through hole 2312 , the second mounting hole 2120 , the fourth mounting hole 2220 , and the fourth through hole 2322 are aligned.

[0039] The bracket assembly 2 further includes a first fastener 25 passing through the first through hole 2311, the first mounting hole 2110, the third mounting hole 2210, and the third through hole 2321, and a second fastener 26 passing through the second through hole 2312, the second mounting hole 2120, the fourth mounting hole 2220, and the fourth through hole 2322. The first fastener 25 includes a first fastening bolt 251 passing through the first through hole 2311, the first mounting hole 2110, the third mounting hole 2210, and the third through hole 2321, and a first fastening nut 252 matched with the first fastening bolt 251. The second fastener 26 includes a second fastening bolt 261 passing through the second through hole 2312, the second mounting hole 2120, the fourth mounting hole 2220, and the fourth through hole 2322, and a second fastening nut 262 matched with the second fastening bolt 261.

[0040] In one embodiment of the present invention, the mounting bracket 23 is a carbon steel bracket.

[0041] The connecting component 24 includes a first bolt 241, a second bolt 242, and a connecting rod 243 that connects the first bolt 241 and the second bolt 242 into a whole. In one embodiment of the utility model, the first bolt 241 and the second bolt 242 are welded and fixed to the connecting rod 243. The first bolt 241 and the second bolt 242 pass through the mounting bracket 23 to mount the exhaust gas post-treatment device 100 on other brackets (such as a vehicle body bracket, not shown).

[0042] Specifically, in the embodiment illustrated in the diagram of the present utility model, the mounting wall 233 is provided with a first waist-shaped hole 2331 and a second waist-shaped hole 2332, wherein the first bolt 241 passes through the first waist-shaped hole 2331 and can be appropriately adjusted in the first waist-shaped hole 2331, and the second bolt 242 passes through the second waist-shaped hole 2332 and can be appropriately adjusted in the second waist-shaped hole 2332.

[0043] Those skilled in the art can understand that after installation, the connecting rod 243 is located between the installation wall 233 and the metal outer shell 1, and the metal outer shell 1 can prevent the connecting rod 243 from falling off from the bracket assembly 2 under the action of gravity. In addition, the design of the connecting component 24 of the utility model can prevent the traditional bolt from rotating during the tightening of the body nut.

[0044] Compared with the prior art, the connecting component 24 of the utility model includes a first bolt 241, a second bolt 242 and a connecting rod 243 connecting the first bolt 241 and the second bolt 242 into a whole, and the first bolt 241 and the second bolt 242 pass through the mounting bracket 23 to install the exhaust gas after-treatment device 100 on other brackets; with such an arrangement, the exhaust gas after-treatment device 100 can be conveniently installed using the connecting component 24, thereby improving the convenience of installation.

[0045] The above embodiments are only used to illustrate the present invention but not to limit the technical solutions described in the present invention. The understanding of this specification should be based on the technicians in the relevant technical field. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in the field should understand that technicians in the relevant technical field can still modify or replace the present invention with equivalents, and all technical solutions and improvements that do not depart from the spirit and scope of the present invention should be included in the scope of the claims of the present invention.

Claims

1. An exhaust gas post-treatment device, characterized in that: The invention comprises a metal outer shell, an exhaust gas after-treatment carrier encapsulated in the metal outer shell, and a bracket assembly installed on the metal outer shell, wherein the bracket assembly comprises a first bracket welded and fixed to the metal outer shell, a second bracket welded and fixed to the metal outer shell, a mounting bracket mounted and fixed to the first bracket and the second bracket, and a connecting component installed on the mounting bracket, wherein the connecting component comprises a first bolt, a second bolt, and a connecting rod connecting the first bolt and the second bolt into a whole, and the first bolt and the second bolt pass through the mounting bracket to install the exhaust gas after-treatment device on other brackets.

2. The exhaust gas post-treatment device according to claim 1, characterized in that: The first bracket includes a first sub-bracket and a second sub-bracket, the first sub-bracket is provided with a first mounting hole, and the second sub-bracket is provided with a second mounting hole; The second bracket includes a third sub-bracket and a fourth sub-bracket, the third sub-bracket is provided with a third mounting hole, and the fourth sub-bracket is provided with a fourth mounting hole; The mounting bracket comprises a first connecting wall, a second connecting wall opposite to the first connecting wall, and a mounting wall fixed to the first connecting wall and the second connecting wall, wherein the first connecting wall is provided with a first through hole and a second through hole, and the second connecting wall is provided with a third through hole and a fourth through hole; wherein the first through hole, the first mounting hole, the third mounting hole and the third through hole are aligned; The second through hole, the second mounting hole, the fourth mounting hole and the fourth through hole are aligned; The bracket assembly further includes a first fastener passing through the first through hole, the first mounting hole, the third mounting hole, and the third through hole, and a second fastener passing through the second through hole, the second mounting hole, the fourth mounting hole, and the fourth through hole.

3. The exhaust gas post-treatment device according to claim 2, characterized in that: The first sub-bracket and the second sub-bracket are separately arranged and both are welded and fixed to the metal outer shell; and / or The third sub-bracket and the fourth sub-bracket are separately arranged and both are welded and fixed on the metal outer shell.

4. The exhaust gas post-treatment device according to claim 2, characterized in that: The first fastener comprises a first fastening bolt passing through the first through hole, the first mounting hole, the third mounting hole and the third through hole, and a first fastening nut matched with the first fastening bolt; The second fastener includes a second fastening bolt passing through the second through hole, the second mounting hole, the fourth mounting hole and the fourth through hole, and a second fastening nut matched with the second fastening bolt.

5. The exhaust gas post-treatment device according to claim 3, characterized in that: The first sub-bracket is provided with a first flange portion for welding and fixing to the metal outer shell, the second sub-bracket is provided with a second flange portion for welding and fixing to the metal outer shell, the third sub-bracket is provided with a third flange portion for welding and fixing to the metal outer shell, and the fourth sub-bracket is provided with a fourth flange portion for welding and fixing to the metal outer shell.

6. The exhaust gas post-treatment device according to claim 2, characterized in that: The mounting bracket is in an inverted U shape, wherein the first connecting wall, the second connecting wall and the mounting wall are integrally formed.

7. The exhaust gas post-treatment device according to claim 6, characterized in that: The connecting rod is located between the mounting wall and the metal outer shell, and the metal outer shell can prevent the connecting rod from falling off from the bracket assembly under the action of gravity.

8. The exhaust gas post-treatment device according to claim 2, characterized in that: The mounting wall is provided with a first waist-shaped hole and a second waist-shaped hole, wherein the first bolt passes through the first waist-shaped hole and can be properly adjusted in position in the first waist-shaped hole, and the second bolt passes through the second waist-shaped hole and can be properly adjusted in position in the second waist-shaped hole.

9. The exhaust gas post-treatment device according to claim 3, characterized in that: The first sub-bracket, the second sub-bracket, the third sub-bracket and the fourth sub-bracket are all stainless steel sub-brackets; The first sub-bracket, the second sub-bracket, the third sub-bracket and the fourth sub-bracket are the same part; The mounting bracket is a carbon steel bracket.

10. The exhaust gas post-treatment device according to claim 6, characterized in that: The first connecting wall is located at the outer sides of the first sub-bracket and the second sub-bracket, and the second connecting wall is located at the outer sides of the third sub-bracket and the fourth sub-bracket.

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